It's not often Novak Djokovic has to play second fiddle at a major tournament but that's exactly what the world No.1 had to contend with on the opening day of the US Open.
"Calling for the medical time-out was just prevention".
"It's not the way I wanted to win, but I am playing well and feeling good", said the German star. Day, ranked 374th, got into the tournament as the victor of the USTA Girls' 18s National Championships. Hopefully as the tournament progresses, I'll reach my peak.
Rafael Nadal has had an up and down recent history with the US Open but his straight sets victory over Denis Istomin of Uzbekistan didn't take too long and he's unlikely to have too many games as easy as this in the competition.
From a commanding position, Myneni lost grip over the match. "We should all know how to watch the ball; if we don't, then we've got a problem".
Defeated Wimbledon finalist Milos Raonic did well to come through a tough test against the entertaining Dustin Brown.
Kei Nishikori, glad to be back on the NY hard courts where he became Asia's first men's Grand Slam finalist, reached the second round of the US Open Tuesday.
"It's best to sort of separate at this stage", McEnroe told ESPN, one of his employers. The others were 20th-seeded John Isner's comeback from two sets down to edge 18-year-old Frances Tiafoe before a rowdy, standing-room-only crowd at the new Grandstand, and 26th-seeded Jack Sock's five-set victory over another 18-year-old, Taylor Fritz.
She needed courtside treatment from a doctor after dropping the first set.
"At such a young age, he seems to be the type of kid that can rise up to the big occasion, big moment, and great atmosphere", Isner told reporters of the 2015 U.S. national junior champion. He has a fantastic future. One area, if he improves his second serve a little bit.
There have been plenty of question marks over the Serb going into the tournament as doubts remain about his fitness, and he did not look content during the game - constantly grimacing and wincing. The Spaniard is looking to avoid completing a second consecutive year without winning a Grand Slam title, having not saluted since winning the 2014 French Open.
After a 7-6 (2), 6-2 second-round win over Cagla Buyukakcay on Wednesday, the 14th-seeded Kvitova explained: "For me, it's really exhausting to still be in the vehicle and it's a lot of people here".
"It's nice of course to come back but you have a lot of pressure", said Vinci who was ranked 43 in the world this time previous year. The third seed, who lost in round two a year ago, next faces 48th-ranked Latvian Anastasija Sevastova.
Second seed Angelique Kerber enjoyed a stress-free passage into the US Open second round after her opponent Polona Hercog retired injured.
Her ranking down to 74th after an ankle injury and on-court struggles, Wozniacki is unseeded at the U.S. Open for the first time since her debut in 2007.
Fourth seed Rafa Nadal, who is recovering from a wrist injury that forced him to pull out of the French Open and then to miss Wimbledon, plays in Wednesday's night session against Andreas Seppi of Italy.